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Chris_Tomer's Blog

by Chris_Tomer from Denver

Last Post 9 days, 22 hours Ago


5/26/2008
Meteorologist Chris Tomer

   Windsor, CO Tornado damage was surveyed by the National Weather Service and their findings indicate an EF-2 or EF-3 tornado was/is responsible.  EF-3 tornadoes generate winds up to 165-mph.  Typical EF-3 tornadoes knock down farm houses, out-buildings, partially tears masonry walls down, and knocks down power lines and power polls, blows windows out, and blows down wood frame walls as well as tears roofs off.

  Below is a Doppler Radar Image of the actual Tornado Vortex Signature (TVS) snapped at 11:35am as the tornado rolled through Windsor.  Notice what is also called a "hook echo" as the storm produces a hook on the southeast side of the storm.  This is abnormal.  Normally, tornadic storms produce the hook echo on the southwest side of the storm cell.  Also abnormal was the northwest movement of this storm cell.  Typical tornadic storm cells move northeast.

  If you have any further questions feel free to email me:  chris.tomer@foxtv.com

 

Chris Tomer

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Member Comments Total Comments: 2
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retarded_lemon
May 29, 2008 | 6:42 AM

Hi Chris,
Why did these 2 anomalies happened as what you've mentioned? The direction of the 'hook echo' and the movement of the storm cell.

Are these signs of La Nina effect or the global warming we heard so much about?

Chris_Tomer read my blog view my photos
May 29, 2008 | 10:25 AM

Hi Retarded-Lemon -

That's a great question. The most widely held belief is that the upper-level winds (15,000 to 30,000 feet) were actually blowing from the southeast towards the northwest. This kind of wind flow would steer a storm towards the northwest. I would guess that Laramie, WY never thought they'd take a direct tornado hit from a Colorado storm cell. But, that's exactly what happened. The tornado started near Platteville, CO then moved northwest through Gilcrest, Windsor, near Wellington and finally through the mountains to Larmie, WY. The characteristics of the atmosphere that day were certainly unusual.

-Chris

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Chris_Tomer

I'm a meteorologist at FOX-31..... Feel free to post a question in this blog or shoot me an email!

Member Since: 8/25/2006